A text book of geometrical drawing, for the use of mechanics and schools, in which the definitions and rules of geometry are familiarly explained (1849)
hother, it follows^ that if either edge of the instrument is placedparallel with a line and held in that position^ another line may bedrawn parallel to the first at any distance within the range of theinstrument. This is its most obvious use; it is generally apphedto the drawing of inclined… … &
